55556266 has 16 divisors (see below), whose sum is σ = 89033760. Its totient is φ = 25922160.

The previous prime is 55556251. The next prime is 55556273. The reversal of 55556266 is 66265555.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8365 + ... + 13456.

It is an arithmetic number, because the mean of its divisors is an integer number (5564610).

Almost surely, 2^55556266 is an apocalyptic number.

55556266 is a deficient number, since it is larger than the sum of its proper divisors (33477494).

55556266 is a wasteful number, since it uses less digits than its factorization.

55556266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21909.

The product of its digits is 270000, while the sum is 40.

The square root of 55556266 is about 7453.6075829091. The cubic root of 55556266 is about 381.5730406893.

The spelling of 55556266 in words is "fifty-five million, five hundred fifty-six thousand, two hundred sixty-six".